| The Comets |
| The Command All-Stars |
| The Commander Cody Band |
| The Commitments |
| The Committee |
| The Commodores |
| The Common Linnets |
| The Commonwealth Band |
| The Communards |
| The Companions |
| The Company |
| The Company |
| The Company of Snakes |
| The Comrades |
| The Comsat Angels |
| The Concretes |
| The Concussions |
| The Confederates |
| The Confession |
| The Confidentials |
| The Confusions |
| The Conga Kings |
| The Congos |
| The Congregation |
| The Congregation of Vapors |
| The Connect |
| The Connecticut Yankees |
| The Connells |
| The Connie's Inn Orchestra |
| The Conquistadors |
| The Conscious Daughters |
| The Consequence |
| The Conspirators |
| The Contemporary Youth Orchestra |
| The Contemporary Youth Orchestra of Cleveland |
| The Continental IV |
| The Contortionist |
| The Contours |
| The Controllers |
| The Controls |
| The Conway Brothers |
| The Conway Brothers Hiccups Orchestra |
| The Cook Trio |
| The Cookies |
| The Cool Kids |
| The Cool Moose Orchestra |
| The Cool Waters Band |
| The Cool Yule Band |
| The Cooltrane Quartet |
| The Coon-Sanders Nighthawks |
| The Cooper Temple Clause |
| The Coral |
| The Coral Reefer Band |
| The Corbans |
| The Cordettes |
| The Cornell Hurd Band |
| The Cornells |
| The Cornerstones |
| The Coronas |
| The Corporation |
| The Corries |
| The Corrs |
| The Corsairs |
| The Corvairs |
| The Cosmic Rays |
| The Costello Show |
| The Cottars |
| The Cotton Club |
| The Cotton Pickers |
| The Count |
| The Count |
| The Count & Sinden |
| The Count Five |
| The Countdown |
| The Countdown Artists |
| The Countdown Kids |
| The Countdown Orchestra |
| The Countdown Singers |
| The Country Choral |
| The Country Dance Kings |
